CVE-2026-74387 ALSA: seq: midi: Serialize output teardown with event_input

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: midi: Serialize output teardown with eventinput eventprocessmidi borrows msynth-outputrfile.output and then passes the substream to dumpmidi and sndrawmidikernelwrite without synchronizing with the output open/close...

CVE-2026-74387

Summary of CVE-2026-74387 (Linux kernel, ALSA: seq: midi) : The vulnerability stems from improper synchronization in MIDI event handling. Specifically, event_process_midi() borrows msynth->output_rfile.output and passes the substream to dump_midi() and snd_rawmidi_kernel_write() without coordi...

CVE-2026-64029

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Serialize UMP output teardown with eventinput sequmpprocessevent borrows client-outrfile.output without synchronizing with the first-open and last-close transition in sequmpclientopen and sequmpclientclose. The last...

EUVD-2026-45602

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Serialize UMP output teardown with eventinput sequmpprocessevent borrows client-outrfile.output without synchronizing with the first-open and last-close transition in sequmpclientopen and sequmpclientclose. The last...

CVE-2026-64029

The provided reports describe a Linux kernel vulnerability in ALSA seq: UMP output teardown where seq_ump_process_event() borrows client->out_rfile.output without proper synchronization, allowing a rawmidi substream to be torn down while an event_input callback is active. The fix, as documente...

CVE-2026-64029 ALSA: seq: Serialize UMP output teardown with event_input

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Serialize UMP output teardown with eventinput sequmpprocessevent borrows client-outrfile.output without synchronizing with the first-open and last-close transition in sequmpclientopen and sequmpclientclose. The last...

PT-2026-61346

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ALSA sequencer where seq ump process event accesses client-out rfile.output without proper synchronization during the transition between the first-open and...